Research Python server Development

研究python服务器开发http://www.example-code.com/python/ssh_exec.asp

telnet 118.193.152.71 51234

Importsocket, Threadinghost='127.0.0.1'PORT= 51234s=Socket.socket (socket.af_inet, socket. Sock_stream) S.bind ((HOST, PORT)) S.listen (4) Clients= []#List of clients connectedLock =Threading. Lock ()classChatserver (Threading. Thread):def __init__(self, (socket,address)): Threading. Thread.__init__(self) self.socket=Socket self.address=AddressdefRun (self): Lock.acquire () clients.append (self) lock.release ()Print '%s:%s connected.'%self.address whileTrue:data= SELF.SOCKET.RECV (1024)            if  notData: Break             forCinchclients:c.socket.send (data) self.socket.close ()Print '%s:%s disconnected.'%self.address Lock.acquire () clients.remove (self) lock.release () whileTrue:#wait for sockets to connect    #send socket to Chatserver and start monitoringChatserver (S.accept ()). Start ()

$ START "" .\dns-server.py$ .\dns-client.py172.16.45.84

#!/usr/bin/pythonImportSocketdefResolve (name):ifName = ="mpapp.nobies.in":        return "172.16.45.84"    Else :        #You ought to add some basic checking of the name here        returnSocket.gethostbyname (name) host="'Port= 50000Backlog= 5size= 1024s=Socket.socket (socket.af_inet, socket. Sock_stream) S.bind ((Host,port)) S.listen (backlog) while1: Client, Address=s.accept () data=client.recv (size)ifdata:bits= Data.split (":")        ifBits[0] = ='h': Client.send (Resolve (bits[1])) Client.close ()

#!/usr/bin/pythonImportSocket## # Configure me # # #dns_server_ip='127.0.0.1'Dns_server_port= 50000Query='mpapp.nobies.in' #Change this to the hostname-Want to lookup## # Configure me # # #size= 1024s=Socket.socket (socket.af_inet, socket. Sock_stream) S.connect ((Dns_server_ip,dns_server_port)) S.send ('h:'+query) Data=s.recv (size) s.close ()PrintData

Research Python server Development